Botan up to 2.18.1 ElGamal Encryption inadequate encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Botan up to 2.18.1 and classified as problematic. The affected element is an unknown function of the component ElGamal Encryption. The manipulation leads to inadequate encryption. This vulnerability is referenced as CVE-2021-40529. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Botan up to 2.18.1. This issue affects an unknown part of the component ElGamal Encryption. The manipulation with an unknown input leads to a inadequate encryption vulnerability. Using CWE to declare the problem leads to CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. Impacted is confidentiality.

The weakness was published 09/07/2021. The advisory is shared at ibm.github.io. The identification of this vulnerability is CVE-2021-40529. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Inadequate encryption
CWE: CWE-326 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/06/2021 🔍
09/07/2021 +1 days 🔍
09/07/2021 +0 days 🔍
09/09/2021 +2 days 🔍

Sourcesinfo

Advisory: ibm.github.io
Status: Not defined

CVE: CVE-2021-40529 (🔍)
GCVE (CVE): GCVE-0-2021-40529
GCVE (VulDB): GCVE-100-182045

Entryinfo

Created: 09/07/2021 07:34
Updated: 09/09/2021 22:46
Changes: 09/07/2021 07:34 (35), 09/09/2021 22:36 (2), 09/09/2021 22:46 (1)
Complete: 🔍
Cache ID: 216::103

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